As in a joke from blackface? Give me another example of someone painting their face black that isn't blackface in your eyes.

Cosplay? Theaters? Which cases are pretty much non existent due to certain morons not being able to distinguish one thing from another?

And whether you think it's for non harmful reasons has no bearing on whether its blackface or not.

We're talking about a definition, a racism definition, if you paint yourself as blue do you call it blueface? The way I see it is you call blackface when someone paints themselves as black to mock dark skinned people, just like in US history.

Also not American. Why do so many morons pretend everyone they disagree with are Americans?

Because the definition originated there? I don't think others consider it as much of a problem as Americans do, but that could be me wrong I guess.